Home / 69,029.52-103,534.26-19,113.12

Finding the Fourth Proportional to 69,029.52, 103,534.26 and 19,113.12

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Solution

The fourth proportional to 69,029.52, 103,534.26 and 19,113.12 is: 28,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,029.52 : 103,534.26 = 19,113.12 : x
  2. Step 2: Convert to fraction form
    69,029.52/103,534.26 = 19,113.12/x
  3. Step 3: Cross multiply
    69,029.52x = 103,534.26 × 19,113.12
  4. Step 4: Simplify right side
    69,029.52x = 1,978,862,735.49
  5. Step 5: Solve for x
    x = 1,978,862,735.49/69,029.52
  6. Step 6: Final answer
    x = 28,666.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.